Aguirre also said that according to the information they received, there's an underground tunnels where illegal drugs are being cooked. He added they already searching that hidden tunnel.

During the clearing operation of SAF in New Bilibid Prison in Building 14, they still found shabu, cellphones, signal boosters. Which indicated that convicted drug lords are still operating illegal activities inside the penitentiary.

Earlier, President Duterte said that the existing problems is due to the police officials of the Bureau of Correction, who was accepting bribes from the drug lords to sneak contraband inside the Bilibid.